exam Maths Puzzle Numerical Ability

solve by substitution method y=-x+6 y=-2x+7 y=x-5 2x+3y=-1
y=-x-3 -2x+y=-3 4x+y=15 3x-3y=-4

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exam Other Question

1. Solve by elimination method
4x - y = -3
y - 3 = 4x

2. Solve by graphing method
x - y = 3
x + y = 1

3. Solve by addition method
1/5x + 2/3y = -8/5
3x - y = 9 You need to borrow $200,000 to purchase a new home. If the interest rate for a 30 year mortgage is 6.7% a year, what will your monthly payments be?

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